43491314485 has 16 divisors (see below), whose sum is σ = 52449012720. Its totient is φ = 34620526080.

The previous prime is 43491314483. The next prime is 43491314497. The reversal of 43491314485 is 58441319434.

It can be written as a sum of positive squares in 8 ways, for example, as 12557891844 + 30933422641 = 112062^2 + 175879^2 .

It is not a de Polignac number, because 43491314485 - 2¹ = 43491314483 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43491314483) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 792289 + ... + 845401.

It is an arithmetic number, because the mean of its divisors is an integer number (3278063295).

Almost surely, 2^43491314485 is an apocalyptic number.

It is an amenable number.

43491314485 is a deficient number, since it is larger than the sum of its proper divisors (8957698235).

43491314485 is a wasteful number, since it uses less digits than its factorization.

43491314485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53928.

The product of its digits is 829440, while the sum is 46.

The spelling of 43491314485 in words is "forty-three billion, four hundred ninety-one million, three hundred fourteen thousand, four hundred eighty-five".